EP1003190A2 - Chauffe-eau pour chauffer de l'eau - Google Patents

Chauffe-eau pour chauffer de l'eau Download PDF

Info

Publication number
EP1003190A2
EP1003190A2 EP99121461A EP99121461A EP1003190A2 EP 1003190 A2 EP1003190 A2 EP 1003190A2 EP 99121461 A EP99121461 A EP 99121461A EP 99121461 A EP99121461 A EP 99121461A EP 1003190 A2 EP1003190 A2 EP 1003190A2
Authority
EP
European Patent Office
Prior art keywords
conductor
connecting bolt
water heater
connection
connection point
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP99121461A
Other languages
German (de)
English (en)
Other versions
EP1003190A3 (fr
EP1003190B1 (fr
Inventor
Volker Herz
Andreas Birk
Karl-Heinz Kamprath
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Braun GmbH
Original Assignee
Braun GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Braun GmbH filed Critical Braun GmbH
Publication of EP1003190A2 publication Critical patent/EP1003190A2/fr
Publication of EP1003190A3 publication Critical patent/EP1003190A3/fr
Application granted granted Critical
Publication of EP1003190B1 publication Critical patent/EP1003190B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H37/00—Thermally-actuated switches
    • H01H37/74—Switches in which only the opening movement or only the closing movement of a contact is effected by heating or cooling
    • H01H37/76—Contact member actuated by melting of fusible material, actuated due to burning of combustible material or due to explosion of explosive material

Definitions

  • the present invention relates to a water heater for heating water for the domestic need according to the preamble of claim 1.
  • Such a water heater with a safety device is in DE-196 05 187 A1 is described and is e.g. used in coffee and tea machines.
  • a safety switch which in In cooperation with the temperature controller, the power supply to the household appliance Temperature limit case and interrupts in the event of an error.
  • this is temperature protection sufficient to e.g. if the temperature controller fails, which is usually the case is equipped with a bimetal to separate from the electrical supply.
  • connection element consists of a flat soldering shoe, which has a firm connection from the connecting bolt due to the larger soldering area to the conductor with the participation of the solder.
  • the connecting element previously used is no longer required.
  • the shape of the conductor end according to the invention makes it possible for the space enclosed by the end of the conductor is completely or largely completely filled with solder is, especially because liquid solder surfaces up to a certain Size (drop size) can span and this surge lasts until the Lot cooled and hard. In addition, this is safe for automatic manufacturing Positioning advantageous.
  • the wire can also be the connecting bolt via a or partially enclose several sections, which are then intimate during the soldering process Make the soldered connection with the connecting bolt.
  • connection end of the conductor Due to the special shape of the connection end of the conductor, the soldering surface is between enlarged the conductor end and the contact tab of the heater. Lets be particularly advantageous apply the invention to round conductors in cross section (claim 2). But there are oval, rectangular or other cross-section connecting bolts are also possible, on the outer surface of the course of the conductor end essentially over a or several sub-areas are adapted.
  • a round or oval wire offers a connection surface that is partially closed all around on the connecting bolts.
  • the conductor corresponds to the patent claims 3 and 4 is designed.
  • the above can be Realize features in a particularly simple and effective manner, the head end being the Surrounds the outer surface of the connecting bolt only over a certain partial area or there entirely or partially due to non-circular manufacturing tolerances with its sub-area abuts the outer surface of the connecting bolt.
  • solder joint in a sufficient distance from the end of the connecting bolt Direction of the heating element is arranged and the conductor the end of the connecting bolt not towered over.
  • the flow heater 22 shown in FIG. 1 consists of a water pipe 20 with which a heating element 30 is in close thermal contact. As can be seen from Fig. 1, protrude the heating element 30 with the electrical insulation 31 and 32, in cross section circular connecting bolts 12 and 14 out, with the insulating in the heating element 30 embedded heating wires (not shown) are connected.
  • the security device consists of the conductor 1, the one at a first connection point 40 on the water heater 22 is fixed in place 21 fixed thermoregulator 24.
  • the thermoregulator 24 regulates the temperature of the instantaneous water heater 22 Power supply from the controller 24 via the conductor 1 to the connecting bolt 12 and thus to Heating wire led.
  • the conductor 1 consisting of a spring wire is shown in FIG. 1 in its course with a U-shaped deformation 41 provided; their meaning is in the above DE-196 05 187 A1 described in detail, the content of which is expressly included in the present Description is included.
  • connection point 10 For the connection of the conductor 1 to the heating element 30, the connecting bolt 12 is connected a second connection point 10, as shown in Figures 1 to 4. To this Junction 10 towards the conductor 1 is pressed resiliently during manufacture and over a large area soldered by solder, but this is only hinted at in Fig. 2.
  • the end 23 of the conductor 1 is loop-shaped Shaped flat, so that a sufficiently large, defined, from Lot 15 to wetting surface 11 (Fig. 3), which is further supported by the fact that Contact surfaces (not shown) at the connection point 10, that is to say that of the conductor 1 and that of the connecting bolt 12, fit together in contour and lie flush against each other.
  • the solder 15 is also not shown in FIG. 4.
  • FIGS. 2 and 4 show the simple shaping which is favorable in terms of production technology of the conductor 1 shown on an enlarged scale, with which a surface 11 span lets, which enables the safe, predetermined flow of the solder 15 and a reliable Large area connection between the conductor 1 and the connecting bolt 12 guaranteed.
  • the conductor 1 is bent into a loop 13 at the end concerned, which encloses the room 11, as also shown in FIG. 3. 4 remove that the two parallel to the connecting pin 12 legs 131 and 132 will lead to a secure soldered connection if 11 Lot 15 adhered by the legs 131 and 132 and the connecting bolt 12 (not shown). This also contributes to the U-shaped around the connecting bolt 12 and to his Contour adapted connecting web 133 at.
  • the exact determination of the shape of the loop 13 taking into account the dimensions of the components, i.e. the respective diameter (Wire) and other dimensions.
  • the shape of the loop 13 is, as can also be seen is selected so that it runs upwards so that accidental snagging with the connecting bolt 12 is safely prevented. This also serves in particular for this Loop end 135 running transversely to the connecting bolt 12, at the beginning of the loop 134 is returned. This way it slips even when bending down of the conductor 1 the loop 13 accidentally gets under the connecting bolt 12, this sideways to the right and after letting go up again, so that they again easily can be placed on the connecting bolt 12, as shown in FIG. 4.
  • the shape of the Loop start 134, the loop end 135 and the U-shaped upward Connecting web 133 are chosen so that before the soldering process shown in Fig. 4 Position a lateral sliding on the connecting bolt 12 is not possible because the U-shaped connecting web 133 on the approximately matched diameter connecting bolts 12 centered.
  • the length of the conductor 1 is chosen so that the loop 13 in front of the free end of the connecting bolt 12 ends around this when the conductor 1 is pressed down with the connecting web 133 in this case too. This is particularly the case with Automated manufacturing necessary to hook the loop 13 under the connecting bolt 12 to prevent.
  • the loop 13 is shaped in size so that the conductor 1 with the loop 13 does not protrude beyond the end of the connecting bolt 12, like this show all figures.
  • the solder flows into the between the Loop 13 and the connecting bolt 12 formed gap. This is the diameter of the connecting web 133 slightly larger than the diameter of the connecting bolt 12th

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Resistance Heating (AREA)
  • Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
  • Cookers (AREA)
  • Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
  • Surgical Instruments (AREA)
  • External Artificial Organs (AREA)
  • Branch Pipes, Bends, And The Like (AREA)
EP99121461A 1998-11-17 1999-10-28 Chauffe-eau pour chauffer de l'eau Expired - Lifetime EP1003190B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19852886A DE19852886A1 (de) 1998-11-17 1998-11-17 Sicherheitseinrichtung für ein Wärmegerät
DE19852886 1998-11-17

Publications (3)

Publication Number Publication Date
EP1003190A2 true EP1003190A2 (fr) 2000-05-24
EP1003190A3 EP1003190A3 (fr) 2002-09-25
EP1003190B1 EP1003190B1 (fr) 2006-06-07

Family

ID=7888009

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99121461A Expired - Lifetime EP1003190B1 (fr) 1998-11-17 1999-10-28 Chauffe-eau pour chauffer de l'eau

Country Status (5)

Country Link
US (1) US6250259B1 (fr)
EP (1) EP1003190B1 (fr)
AT (1) ATE329365T1 (fr)
DE (2) DE19852886A1 (fr)
DK (1) DK1003190T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111052236A (zh) * 2017-09-06 2020-04-21 株式会社半导体能源研究所 半导体装置

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10313861A1 (de) * 2003-03-21 2004-09-30 Bleckmann Gmbh Vormontierte Anschlussbaugruppe
KR101014716B1 (ko) 2003-12-02 2011-02-16 엘지전자 주식회사 커피 메이커 겸용 전자 레인지의 히터 어셈블리
JP4522752B2 (ja) * 2004-06-10 2010-08-11 三菱電機株式会社 半田付けによる端子接合方法
ITVE20060016U1 (it) * 2006-05-18 2007-11-19 Irca Spa Elemento riscaldante.-

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE676466A (fr) *
AT173569B (de) * 1951-11-23 1953-01-10 Friedrich Josef Troezmueller Thermosicherung für elektrisch geheizte Geräte
NL244986A (fr) * 1958-11-03
NL6509799A (fr) * 1965-07-29 1967-01-30
DE1515624B1 (de) * 1965-08-24 1970-04-09 Vitrohm Gmbh Co Kg Elektrischer Widerstand mit Schmelzsicherung
DE8536338U1 (de) * 1985-12-23 1986-03-27 Elpag Ag Chur, Chur Elektrischer Druchlauferhitzer
DE3637378A1 (de) * 1986-11-03 1988-05-05 Braun Ag Elektrischer durchlauferhitzer fuer geraete des persoenlichen bedarfs
DE3930819A1 (de) * 1988-07-29 1991-03-28 Siemens Ag Schmelzsicherung mit federarm
CN2073792U (zh) * 1990-06-09 1991-03-27 顾福元 多功能工具
KR920007514Y1 (ko) * 1990-12-24 1992-10-15 동아전기부품 주식회사 모우터의 회전속도 조정용 저항기
DE4116618A1 (de) * 1991-05-22 1992-11-26 Braun Ag Durchlauferhitzer fuer eine maschine zur herstellung von bruehgetraenken
DE19505621A1 (de) * 1995-02-18 1996-08-22 Ego Elektro Blanc & Fischer Übertemperatursicherung für elektrische Heizeinrichtung
DE19605187A1 (de) * 1996-02-13 1997-08-14 Braun Ag Sicherheitseinrichtung

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111052236A (zh) * 2017-09-06 2020-04-21 株式会社半导体能源研究所 半导体装置

Also Published As

Publication number Publication date
ATE329365T1 (de) 2006-06-15
DK1003190T3 (da) 2006-10-02
US6250259B1 (en) 2001-06-26
DE59913516D1 (de) 2006-07-20
DE19852886A1 (de) 2000-05-25
EP1003190A3 (fr) 2002-09-25
EP1003190B1 (fr) 2006-06-07

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